Ambiguous genitalia:

When should oral hygiene begin to be performed on children?

A) When they begin eating solid foods B) When their primary teeth become visible in the oral cavity C) Only when the infant allows you to clean their mouth D) Even if no teeth are present, the gingival ridge should be wiped

An increase in physical activity increases production of the body's natural painkillers, which are:

A) adrenal hormones B) endorphins C) neurotransmitters D) co-transmitters